The Lost Caverns of Ixalan

Akal Pakal, First Among Equals | Legendary Creature | Human Advisor | At the beginning of each player's end step, if an artifact entered the battlefield under your control this turn, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard. | Ryan Pancoast

Kitesail Larcenist | Creature | Human Pirate | Flying, ward {1} When Kitesail Larcenist enters the battlefield, for each player, choose up to one other target artifact or creature that player controls. For as long as Kitesail Larcenist remains on the battlefield, the chosen permanents become Treasure artifacts with "{T}, Sacrifice this artifact: Add one mana of any color" and lose all other abilities. | Sidharth Chaturvedi

Merfolk Cave-Diver | Creature | Merfolk Scout | Whenever a creature you control explores, Merfolk Cave-Diver gets +1/+0 until end of turn and can't be blocked this turn. | Fesbra

Sage of Days | Creature | Human Wizard | When Sage of Days enters the battlefield, look at the top three cards of your library. You may put one of those cards back on top of your library. Put the rest into your graveyard. | Aldo Domínguez

Tishana's Tidebinder | Creature | Merfolk Wizard | Flash When Tishana's Tidebinder enters the battlefield, counter up to one target activated or triggered ability. If an ability of an artifact, creature, or planeswalker is countered this way, that permanent loses all abilities for as long as Tishana's Tidebinder remains on the battlefield. (Mana abilities can't be targeted.) | Nino Vecia

Waterwind Scout | Creature | Merfolk Scout | Flying When Waterwind Scout enters the battlefield, create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.") | Alix Branwyn

Abuelo, Ancestral Echo | Legendary Creature | Spirit | Flying, ward {2} {1}{W}{U}: Exile another target creature or artifact you control. Return it to the battlefield under its owner's control at the beginning of the next end step. | Victor Adame Minguez